Passenger Pigeons and Their Extinction by Bruce Wright
Approx. 20,300 words.
Published on June 7, 2013.
An introduced disease caused the extinction of passenger pigeons, even if other factors exacerbated the population crash on various scales. In this book I will present an overview of what we know about passenger pigeons, and will provide evidence and present a disease model that helps explain how disease was the preeminent cause that led to the rapid and complete elimination of passenger pigeons.